tree 68de07b7f8b624845600864253076eecf1f9eb55
parent bb743e0c6aac75b368e61b1e137aca955b65ab49
author Chong Zhang <chz@google.com> 1535147373 -0700
committer Ryan Longair <rlongair@google.com> 1536341826 -0700

Fix race condition for cas sessions -- DO NOT MERGE

Change the session to shared_ptr and use atomic_load/store.

Test: POC; CTS MediaCasTest; CTS MediaDrmClearkeyTest#
testClearKeyPlaybackMpeg2ts
bug: 113027383

Change-Id: I75f4cb33a022f28d45918442d64c5c46df2640ef
(cherry picked from commit c927af1287e3b90d77e40aae26f4a3b61de3ac09)